Wind box



Oct. 30, 1928.

l J. A. coNLY WIND Bo Filed March '11, 4925 ma www' mechanisms. .v

l coalbei l5 eteetiv.. manner.

WED/STATES PATENT; 'FFCE Joan A. conny; orfimwronx, mY., Assrorron or romy rmt' anni" gro Josera A,

BAUSCHER, UF. HOLLIS, NEW'` YORK.

WIND lIBOX.

Application mediare. 11, wasl serial 1ro. 14,e15.

` This invention reloteeto improvements in vwinflvboxee and more particularly to wind boxes or drau t a pliances to be: used 1n eonnection wi encess or continuous stok- Ehe principal object .of this Iinvention is provision of. a" device of this character which issimplelin `construct-,on end eifeetiye in `operation in .admittinggu `supply .o 4en' underpress'ur'e in Suche manner asxto .result in s ,very even. and uniform distribution of the seme to the under Sulrfzw of the body of "consumed t so Y that combustion thereof jt es plaoein the moet efficient und To the g accomplishment #of the `foregoing andfsuehgotherlobjecta au may hereinafter upf pear,.this invention consists in the construetion, combination and arrangementof parts hereinafter deselibed and then .sought to be defined in the appended o1eims,.reference be ing hadto the aecondpanying drawings forming e part hereoi a showing, merely for the urpose of illustrative disclosure, the p reiirredembodiment of `my inventionyit being expressly understood that 'varioumchanges may be yInside `in pmetioewithin` thescope of the olaimswithout digreesingirom` myinven- -tive om Inmednwmm-fp Figure l1l represente apperspeotive view .of a. `wind tbox constructed according` to 'my l 11ivention installed between the; side sections of a stoking and grate nieohanism, partsrbemg y "awey and shown in. section to `fucilitute the,druiaoloiture..-y

Figure 2 is ayertcalvtraneverseeross sectiomtaken through the .frameconstruction for stokingmochanism substantially on line 4,. 2,-2' of ,Figure ishowing tlxewindbox construeted meord'ng to my invention installed andindiesting thelpath of "the'ir orjdraught byfmeonsof arrondi.:` l Itis to be .that this invention 5 is desi ned particularly forusein connection with t e travelling or' continuous grate or stokin in whichthe supply of oir u ripresenta ordraught is introduced between the upper and. lower rune of the end'- Y 5 less chuin grate `aandA I have illustrated the invention as in Y:mehr n. construction.

Y It is also to be understoodthgt this construe tion is motto be limitedftoth'mjuee except as PiQd in hflnims. t. i l. 66 Referring nowto the drawings the numera] Y anism.

l designates the right-hond side frialne-member of :ignite or Stoker installation andthe numeral 2 the left'fh'and side fi'ame'membl' of euchr Aon installation. The grate ot'stoker mecha-nismis suitably mounted between these two side frame members andY is operated 4therebetween in the form of upper and lower runs A. endB as is Well understood. Between these runs are positioned the wind boxes and Vin the prent disclosure onlyl one fof such `Wind boxesis illustrated,` it beingunderstood, however, that several of these wind `boxes are utilized in .i connection with the installation, de ending upongthe sizeof the* grate or sto er mechanism. Thes'ewind boxes are supplied for the full length of the upper run so that an aidequate amount of' air under pressure is supplied to theentire'under surface of the Combustible which rests upon the top of. the upper run of the grate or Stoker, 1 'f In this disclosure the wind box comportment is formed by'p rwidingaV 'pair of channel beams lil whioh'extend' transversely across t vthe grate or Stoker meehanismfrom side frame member l to side framemember Qbeing supported on a bottom plate member l` :which itself is yeup'ported from theside frames partment 6 closed at the bottoni by plate 4,

at the endeby the side frame members 1 and 2, und :it its sides by the channel members' 3, the compertmentbeing open :it the top per` mitting the oir under pressure to have access tothe under side of the grate or stokermeeli- The Wind box proper 7 is mounted upon the bottomplate 4i and is `connected tothe air inlet'opening -8 formed in one ofthe siderame .f

members. The supply of air through `said Y' opening is controlled by any suitable form ol' damper construction 9'. This Wind box lV is in the forni of :in oblongbox, rectangular in cross section both longitudinally and treneversely. It is open at one end as et l10 Where it registers with thetalr inlet opening 8 and is secm'ecl to `the/'side freine member 1 by niezrrrsof its flanges Il. The other end 1&2 .o

of the box 7 is closed Viuldthe bottoni is closed', this-being accomplished, in the form shown, dueto the fact that the box rests upon the bottom plate 4. The box itself is of sufficient lene'th so that the inner end l2 thereot extends somewhat beyond the center line of the grate or Stoker mechanism and the side inembers 13 of the box are cut away or provided with openings 14 vat or near the inner end thereof, these openings la being positioned in substantially the middle of the compartment G and, therefore, in the middle of the grate or stoker mechanism. The wind box 7 may be formed of sheet iron or other suitable material.

In operation the damper 9 is set according to the amount of draught desired and air admitted through the inlet S under pressure. It passes in through the wind box 7 and out of the openings let at the middle line .of the grate or stoker. It diffuses or is distributed from these points by egress equallyT and umt'ormly throughout the under surtace ofthe upper run of the grate or Stoker mechanism. 'lhis results in an even distribution of air to any part of the coal bed resulting in very efficient and effective consumption of the coal and reducing to a minimum the incomplete combustion of the fuel and consequent waste. The air is supplied under suitable pressure from any proper source and the quantity admitted readily regulated by means ot the damper leading to the wind box. The pressure and the distribution of the air to the under surface of the coal bed is equal and uniform.

It is to be noted that the outlet openings ll shown open in opposite directions, one being toward the front of the steker mechanism and the other being toward the reai' thereof. I have found this to be a very simple and ef fective method of permitting the egress of air from the Wind box but it is to be understood that the openings may be arranged in other ways so long as they result in even and uniform distribution oit air at or about the medial line of the grate or stoker mechanism.

that I claim is :e

1. A construction of the character described including in combination, a pair ot side frame members, a compartment formed between said side frame members closed ex cept for its top, said side frame members tonstituting the ends of said compartment; a wind box positioned within said compartment and having an air inlet opening at one end opening through one of said side frame members` and adapted to communicate with a source of air under pressure, said wind box being closed at its othercnd, top, sides and bottom but provided with a plurality of ielatively large openings at substantially the middle of said compartment whereby the air is admitted and distributed evenly.

2. A construction of the character described including in combination, a pair of side frame members, a compartment formed between said side frame members closed except for its top, which is wide open, a wind box positioned within said compartment and having an air inlet opening at one end adapted to communicate with a source of air under pressure, said wind box being closed at its other end, top, sides and bottom but provided with a' relatively large opening in each side at substantially the middle of the compartment whereby airis admitted and distributed uniformly.

y 3. In combination with an endless grate or stoker mechanism having an upper and a lower run, a compartment provided between tlie runs thereof and entirely closed except for its top, a wind box positioned within said compartment on the bottom thereot and secured at one end to a side wall of said comlnirtment and having one end adaptcd to communicate with a source of air under pressure, said wind box being closed at itsI other end and also closed at its top, bottom and sides but provided with a plurality of openings at substantially the middle of said grate or stoker mechanism whereby air is admitted uniformly to the under side of the upper run of said grate or Stoker mechanism.

et. In combination with an endless grate or stoker mechanism having an upper and a lower run, a compartment provided between the rims thereof and entirely closed except tor its top, a wind box positioned within said compartment on the bottom thereof and secured at one end to a side wall of the compartment, the bottom of the compartment forming a closure for the bottom of the wind box, the latter having one end adapted to communicate with a source of air under pres` sure, said wind box being closed at its inner end, top, and sides but provided with a plurality of openings at substantially the middle of said grate or stoker mechanism whereby air is admitted uniformly to the under side of the upper run of said grate or Stoker mech anism, and a damper for controlling the amount of air admitted to said wind box.

A construction of the character described includinfr in combination, a pair of side frame memiiers,.a compartment formed therebetween including a bottom member and a pair of side members, said side frame members forming the ends of the compartment, this compartment being open at the top,.one of said side frame members having an air inlet opening, a wind box positioned ifi said compartment having one end open and communicating with the air inlet opening in said side frame member and secured to such .side frame member. said wind box bein'r b closed at its top, bottom, sides and end with the exception of a plurality of openings near the end opposite the air inlet end, said opcn ings being arranged in substantially the middle of said compartment.

6. In combination with the endless chain type of grate or stoker mechanism, a wind boxvpositioned `between the two runs of said grate or stokerimechanism, said wind box having one endopenyand adapted to receive a suitablesupply of air under pressure, the

5 other end,` top, sides and bottom of said- Wind box being closed except that it is provided with a plurality of openings near the other end thereof, these openings being 1ocated substantially `at the middle of said grate or Stoker mechanism.

March, 1925.` n Y y Y l JOHN A.CONLY. 

